Home / 85,026.51-127,536.93-45,660.51

Finding the Fourth Proportional to 85,026.51, 127,536.93 and 45,660.51

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Solution

The fourth proportional to 85,026.51, 127,536.93 and 45,660.51 is: 68,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,026.51 : 127,536.93 = 45,660.51 : x
  2. Step 2: Convert to fraction form
    85,026.51/127,536.93 = 45,660.51/x
  3. Step 3: Cross multiply
    85,026.51x = 127,536.93 × 45,660.51
  4. Step 4: Simplify right side
    85,026.51x = 5,823,401,267.63
  5. Step 5: Solve for x
    x = 5,823,401,267.63/85,026.51
  6. Step 6: Final answer
    x = 68,489.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.